mercedes auxiliary battery
Skip it44/100a small market ($66K/yr) — mercedes auxiliary battery doesn't clear our bar today.
Market/yr
$66K
Growth (1y)
+241.5%
Products
13
Brands
10
was 15 a year ago
Sellers
27
Price range
$15.35–$104.64
Returns
4.0%
Rating
4.3★
Skip it
Scored 44/100 across market size, growth, competition, quality gap, and returns.
Demand
Weekly Amazon search volume, last 27 weeks — +241.5% year over year.Competition
- Genuine33%
- Casil16%
- Upstart Battery14%
- letoom7%
- winbasic7%
- Mercedes Benz6%
- Other (4 brands)17%
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them. 10 brands and 27 sellers compete here.
Brands
10 falling
was 15 a year ago
Sellers
27
Top 5 brand share
76%
Product shelf
All 13 tracked products in this niche.

2007-2023 Mercedes-Benz (000000-004039) Sealed Lead-Acid Auxiliary Battery/Not a Starter Battery
Genuine
$47.424.4★1,505 reviews

YTX14-BS 2115410001 Replacement for Mercedes Benz Auxiliary Battery - 12V 12AH Secondary Backup Aux Battery for E350 CLA 250 GLK 350 E320 ML350 E500 CLS 400 GLA 250
Upstart Battery
$36.623.8★72 reviews

Casil 12V 1.2Ah SLA AGM Battery Rechargeable Auxiliary Power Compatible with Mercedes-Benz N000000004039
Casil
$15.354.4★224 reviews

letoom 12v 1.2ah Batteries Compatible with Mercedes-Benz Auxiliary Battery 2007-2023 oe n0000004039
letoom
$38.184.4★22 reviews

12v 1.2ah Battery Compatible with Mercedes-Benz AuxiliaryBattery(2007-2023) OE N000000004039
winbasic
$38.494.1★41 reviews

2007-2012 Mercedes-Benz GL450 GL550 Auxillary Back Up Battery 000000004039 OEM For Passenger Car
Mercedes Benz
$53.894.6★616 reviews

Weize AUX14 AGM Auxiliary Battery 36 Months Warranty 200CCA BCI Group 400 Battery
WEIZE
$93.204.4★4,734 reviews

Casil 12V 1.2Ah Replacement Battery Compatible with Emergency Exit Sign Voy Electric Scooter Mercedes Benz N000000004039 Data Shield 1200 1009 Gold Medal SNO-Konette Ice Shaver Alexander LCR12V1.3P
Casil
$17.324.6★65 reviews
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Fit just like came from dealership”
“This battery is an incredible savings over dealer installed batteries”
“Great product and value for the money”
“Good Quality”
“better then I was expecting”
“Price and easy to assemble”
“Working very well”
“Hopefully its lasts for 3 years”
“Works like it should at a fraction of price 2010 e500 mercedes”
“Came properly charged”
What buyers complain about
“the battery died”
“to small”
“Then dead”
“Incompatible with 2014 SL550 even though it is the same group number”
“did not work”
“Absolutely deceptive”
“Won't hold a charge”
“Not good quality product”
“cheap price,”
“After the installation the error message went away”
Top return reasons
- Size-Overall31%
- Compatibility-Overall31%
- Functionality-Overall8%
- Advertised Vs Actual Product6%
- Defective Material/Parts5%
- Value For Money4%
- Battery Life3%
- Charging3%
- Assembly/Installation2%
- Socket/Port/Plug2%




